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tatiyna
4 years ago
10

Need help asap

Mathematics
1 answer:
andreyandreev [35.5K]4 years ago
5 0

Answer:

1.) 8/1

2.) 5 5/28

3.) 13/4

4.) x=21

5.) 11



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Can someone please help me out
ira [324]

BD \: is \: the \: bisector \: of \: \widehat{ABC} \Rightarrow \widehat{ABD}=\widehat{CBD}  \\\Rightarrow \widehat{ABC} = \widehat{ABD} + \widehat{CBD} = 2\widehat{ABD} = 2 \times 39 = 78° \\ \Rightarrow D. \: 78°

4 0
4 years ago
Read 2 more answers
The figure is rotated 360° clockwise with the origin as the center of rotation. Which graph represents the rotated figure?
Scilla [17]

Given

The figure is rotated 360° clockwise with the origin as the center of rotation. Which graph represents the rotated figure?

Answer

After the rotation of 360 degrees, a figure comes back to original position

Option A is correct

4 0
1 year ago
Find x and y. <br>x - y = 2 <br>3x - y = 12​
omeli [17]

the answer is

X=5

y=3

hope you like it

8 0
2 years ago
Breann solved the system of equations below. What mistake did she make in her work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 −
goldfiish [28.3K]

Answer:

No mistake

Step-by-step explanation:

2x + y = 5

x - 2y = 10

y = 5 - 2x

x - 2(5 - 2x) = 10

x - 10 + 4x = 10

5x - 10 = 10

5x = 20

x = 4

2(4) + y = 5

y =  -3

She made no mistake

You can check by plugging in x = 4 and y = -3 into the original equations . They fit exactly.


5 0
4 years ago
Can someone help me with this ONE question? Write an equation.. and solve for X
matrenka [14]

Answer:

Equation: 720=(8x-1)+110+(5x+36)+116+(7x+19)+(6x-2)

x=17

Step-by-step explanation:

A 6 sided polygon is 720° degrees

so

720=(8x-1)+110+(5x+36)+116+(7x+19)+(6x-2)

Simplify

720=(8x+5x+7x+6x)+(−1+110+36+116+19+−2)

Combine like terms:

720=26x+278

flip equation:

26x+278=720

subtract 278 from both sides

26x=442

divide by 26 both sides:

x=17

Hope this helps.

7 0
3 years ago
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